21707045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5939}}^1$

素因数の和:6004

約数の個数: 16

約数和(自身を含む): 28226880

約数和(自身を除く): 6519835

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5939, 29695, 100963, 255377, 504815, 1276885, 4341409, 21707045]

約数ペア:

[(1, 21707045), (5, 4341409), (17, 1276885), (43, 504815), (85, 255377), (215, 100963), (731, 29695), (3655, 5939)]